[todomvc] add test with default todos

dom/examples/todo/src/integration_tests.rs

@@ -12,9 +12,15 @@ use wasm_bindgen_test::wasm_bindgen_test;
 #[wasm_bindgen_test]
 pub async fn add_2_todos() {
     let test = Test::new();
-    test.add_todo("learn testing").await;
-    test.add_todo("be cool").await;
-    // TODO assert .todo-list has two <li> in the right order
+    let (first, second) = ("learn testing", "be cool");
+    test.add_todo(first).await;
+    test.add_todo(second).await;
+    test.assert_todos(&[first, second]).await;
+}
+
+#[wasm_bindgen_test]
+pub async fn add_default_todos() {
+    Test::new().add_default_todos().await;
 }
 
 struct Test {
@@ -38,6 +44,17 @@ impl Test {
         Test { root }
     }
 
+    #[track_caller]
+    async fn assert_todos(&self, expected: &[&str]) {
+        assert_eq!(
+            self.query_selector_all(".todo-list li")
+                .iter()
+                .map(|t| t.get_inner_text())
+                .collect::<Vec<_>>(),
+            expected
+        );
+    }
+
     async fn add_todo(&self, todo: &str) {
         self.input().keyboardln(todo);
         // wait for it to show up
@@ -46,6 +63,15 @@ impl Test {
         self.find().by_text(todo).until().many().await.unwrap();
     }
 
+    async fn add_default_todos(&self) {
+        info!("adding default TODOs");
+        let expected = &[TODO_ITEM_ONE, TODO_ITEM_TWO, TODO_ITEM_THREE];
+        for todo in expected {
+            self.add_todo(todo).await;
+        }
+        self.assert_todos(expected).await;
+    }
+
     fn input(&self) -> Node {
         self.find().by_placeholder_text(INPUT_PLACEHOLDER).one().unwrap()
     }
@@ -61,3 +87,6 @@ impl Drop for Test {
 }
 
 const INPUT_PLACEHOLDER: &str = "What needs to be done?";
+const TODO_ITEM_ONE: &str = "buy some cheese";
+const TODO_ITEM_TWO: &str = "feed the cat";
+const TODO_ITEM_THREE: &str = "book a doctors appointment";